Toyota Yaris: Exhaust Pipe / Installation

INSTALLATION

PROCEDURE

1. INSTALL FRONT EXHAUST PIPE ASSEMBLY

(a) Using a vernier caliper, measure the free length of the compression springs. Standard Length 43.0 mm (1.69 in.) Minimum Free Length 41.5 mm (1.63 in.) If the free length is less than the minimum, replace the compression spring.

(b) Temporarily install a new exhaust pipe gasket to the exhaust manifold converter sub-assembly.

(c) Using a plastic hammer and wooden block, tap in the exhaust pipe gasket until its surface is flush with the exhaust manifold converter sub-assembly. NOTICE: Be careful with the installation direction of the exhaust pipe gasket. Do not reuse the exhaust pipe gasket. Do not damage the exhaust pipe gasket. Do not push in the exhaust pipe gasket by using the exhaust pipes when connecting them.

*1 Exhaust Manifold Converter sub-Assembly *2 Exhaust Pipe Gasket *a Wooden Block

(d) Connect the front exhaust pipe assembly to the 2 exhaust pipe supports.

(e) Install the front exhaust pipe assembly to the exhaust manifold converter sub-assembly with the 2 compression springs and 2 bolts.

Torque:

43 N·m {438 kgf·cm, 32 ft·lbf}

HINT:

After installation, check that the space between the flanges of the exhaust manifold converter sub-assembly and front exhaust pipe assembly is consistent front-to-rear and left-to-right.

2. INSTALL NO. 2 AIR FUEL RATIO SENSOR

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3. INSTALL CENTER NO. 1 FLOOR BRACE

(a) Install the center No. 1 floor brace to the body with the 2 nuts.

Torque:

28 N·m {286 kgf·cm, 21 ft·lbf}

4. INSTALL FRONT FLOOR CENTER BRACE

(a) Install the front floor center brace to the body with the bolt.

Torque:

5.0 N·m {51 kgf·cm, 44 in·lbf}

5. INSTALL CENTER NO. 4 ENGINE UNDER COVER

(a) Install the center No. 4 engine under cover to the body with the 4 bolts.

Torque:

5.0 N·m {51 kgf·cm, 44 in·lbf}

6. INSTALL TAIL EXHAUST PIPE ASSEMBLY

(a) Install a new gasket to the front exhaust pipe assembly.

(b) Connect the front exhaust pipe assembly to the 3 exhaust pipe supports.

(c) Install the tail exhaust pipe assembly to the front exhaust pipe assembly with 2 bolts.

Torque:

43 N·m {438 kgf·cm, 32 ft·lbf}

7. INSPECT EXHAUST GAS LEAK

If gas is leaking, tighten the areas necessary to stop the leak. Replace damaged parts as necessary.

(a) Perform "Inspection After Repair" after repairing an exhaust gas leak.

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